From patchwork Thu Dec 17 03:04:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 11979027 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 167C6C4361B for ; Thu, 17 Dec 2020 03:04:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C642923719 for ; Thu, 17 Dec 2020 03:04:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727287AbgLQDEw (ORCPT ); Wed, 16 Dec 2020 22:04:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727231AbgLQDEw (ORCPT ); Wed, 16 Dec 2020 22:04:52 -0500 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA001C061794 for ; Wed, 16 Dec 2020 19:04:11 -0800 (PST) Received: by mail-pl1-x62f.google.com with SMTP id x18so8239552pln.6 for ; Wed, 16 Dec 2020 19:04:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=2OShYK3cxttn34XBpwf6upnK9s0bIYer5Kl6XYLdf3g=; b=mtcwFqcGIhXVaOQzBmuoweU6wes3MKwesB6hNJhtfaGrUtHMulZK5oR1A1hAV7Pd4Y qFnULivaUIKPeFOQzZoXf08RrBBSd++PBugZgCXPhiJLERPBsHWUj37gdNEStB0oPhv+ 5laHL0h/jqNldFsbpx3FcYtJj0e4CXlLm5/a2LOS6e7jqwGC8Y8XXXp9uU/ydFf9ka2t YdipjftiSutrDfKDfvx+UTCbf/ij6OTAllFGkEI35z1/dNEkqjaFlPgNJdkg3LQkt+x7 57scNyn4i7WJRE8p5T2/yUu4nBPe1d0ee3tFUvcz+OXJH+hGBFoHY1ecnpNokveJZEqv fcuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=2OShYK3cxttn34XBpwf6upnK9s0bIYer5Kl6XYLdf3g=; b=hXm9FIxnQni6dZTN48SQyo4luoC54g3y1DCemGivxjA0EjNWk898dCQqIG346dLSF9 YVHP91nKRMyUp2CzWSJqN4mZWIRowe1yE3s88FnpJXCoU/Ix0+qUhalfj2MEnVQ8IfwP HZuwUPrUm+2wrbxwGCWhIyftx0xBcPHWkGRVmxVhQEZ/FoBRZAVjzxfGAO52pP6/xF97 U9i2ngO2RUFphbbgz/FEHy5kqe+r1PEHEBW/Q5oyq9CmS3asfMD2S+7cvh3XeclirMdt vdmCF6x/ss5ozjed63Cmr4xqruJNsQTcbcsb/iFrRgisu0rEI8gPHBqt0O7DzLggaH5d RhMg== X-Gm-Message-State: AOAM533FLHfRulhIPTY9IC40oS7U9wTa3pJpIpU/TqAdG8aDxKNrvWIW Kb/B33INT67TQnZFbv4HeRXvQQ== X-Google-Smtp-Source: ABdhPJzjsGhTbXQUP6JIFv2xSVy9MTdU2w93YM+Nji7Dqa0++qRPapAO4Bk/Km/Fdxn3qmj6Nwe5Lw== X-Received: by 2002:a17:902:848e:b029:dc:1aa4:114d with SMTP id c14-20020a170902848eb02900dc1aa4114dmr4382311plo.18.1608174251173; Wed, 16 Dec 2020 19:04:11 -0800 (PST) Received: from localhost.localdomain (80.251.214.228.16clouds.com. [80.251.214.228]) by smtp.gmail.com with ESMTPSA id 3sm3810675pfv.92.2020.12.16.19.04.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Dec 2020 19:04:10 -0800 (PST) From: Shawn Guo To: Bjorn Andersson , Ohad Ben-Cohen Cc: linux-remoteproc@vger.kernel.org, linux-arm-msm@vger.kernel.org, Shawn Guo Subject: [PATCH] remoteproc: qcom: add more help text qcom options Date: Thu, 17 Dec 2020 11:04:00 +0800 Message-Id: <20201217030400.6235-1-shawn.guo@linaro.org> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org With these more help text added, hopefully it's easier to understand the distinctions of these qcom remoteproc drivers. Signed-off-by: Shawn Guo --- drivers/remoteproc/Kconfig | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index d99548fb5dde..062a990a7d19 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -150,7 +150,9 @@ config QCOM_Q6V5_ADSP select QCOM_RPROC_COMMON help Say y here to support the Peripheral Image Loader - for the Qualcomm Technology Inc. ADSP remote processors. + for the non-TrustZone part of Qualcomm Technology Inc. ADSP and CDSP + remote processors. The TrustZone part is handled by QCOM_Q6V5_PAS + driver. config QCOM_Q6V5_MSS tristate "Qualcomm Hexagon V5 self-authenticating modem subsystem support" @@ -167,7 +169,8 @@ config QCOM_Q6V5_MSS select QCOM_SCM help Say y here to support the Qualcomm self-authenticating modem - subsystem based on Hexagon V5. + subsystem based on Hexagon V5. The TrustZone based system is + handled by QCOM_Q6V5_PAS driver. config QCOM_Q6V5_PAS tristate "Qualcomm Hexagon v5 Peripheral Authentication Service support" @@ -185,7 +188,9 @@ config QCOM_Q6V5_PAS help Say y here to support the TrustZone based Peripherial Image Loader for the Qualcomm Hexagon v5 based remote processors. This is commonly - used to control subsystems such as ADSP, Compute and Sensor. + used to control subsystems such as ADSP (Application DSP), + CDSP (Compute DSP), MPSS (Modem Peripheral SubSystem), and + SLPI (Sensor Low Power Island). config QCOM_Q6V5_WCSS tristate "Qualcomm Hexagon based WCSS Peripheral Image Loader" @@ -202,7 +207,8 @@ config QCOM_Q6V5_WCSS select QCOM_SCM help Say y here to support the Qualcomm Peripheral Image Loader for the - Hexagon V5 based WCSS remote processors. + Hexagon V5 based WCSS remote processors on e.g. IPQ8074. This is + a non-TrustZone wireless subsystem. config QCOM_SYSMON tristate "Qualcomm sysmon driver" @@ -231,8 +237,10 @@ config QCOM_WCNSS_PIL select QCOM_RPROC_COMMON select QCOM_SCM help - Say y here to support the Peripheral Image Loader for the Qualcomm - Wireless Connectivity Subsystem. + Say y here to support the Peripheral Image Loader for loading WCNSS + firmware and boot the core on e.g. MSM8974, MSM8916. The firmware is + verified and booted with the help of the Peripheral Authentication + System (PAS) in TrustZone. config ST_REMOTEPROC tristate "ST remoteproc support"